Power control apparatus

Abstract

A power control apparatus is connected to a high-voltage battery constructed by connecting a plurality of cell units. In the power control apparatus, an electrical connection unit for connecting the high-voltage battery and a load and a series-parallel switching unit that is connected to the plurality of cell units and the electrical connection unit and switches a connection between the plurality of cell units between series and parallel are integrated.

1 . A power control apparatus that is connected to a high-voltage battery constructed by connecting a plurality of cell units, the power control apparatus comprising:
 an electrical connection unit configured to connect the high voltage battery and a load; and   a series-parallel switching unit that is connected to the plurality of cell units and the electrical connection unit and is configured to switch a connection between the plurality of cell units between series and parallel,   wherein the electrical connection unit and the series-parallel switching unit are integrated.   
     
     
         2 . The power control apparatus according to  claim 1 ,
 further comprising a connecting bus bar for connecting the electrical connection unit and the series-parallel switching unit.   
     
     
         3 . The power control apparatus according to  claim 1 ,
 further comprising a single base member made of insulating resin,   wherein the electrical connection unit and the series-parallel switching unit are integrally formed on the base member.   
     
     
         4 . The power control apparatus according to  claim 1 ,
 wherein the electrical connection unit and the series-parallel switching unit are separately formed and are capable of being stacked.   
     
     
         5 . The power control apparatus according to  claim 4 ,
 wherein the series-parallel switching unit is stacked on the electrical connection unit,   cutaway portions are formed in a base member, which is made of insulating resin and constructs the series-parallel switching unit, and   the electrical connection unit includes a load connecting portion for connecting to the load, a main positive electrode connecting portion for connecting to a main positive electrode of the high-voltage battery, and a main negative electrode connecting portion for connecting to a main negative electrode of the high-voltage battery, and   the main positive electrode connecting portion, the main negative electrode connecting portion, and the load connecting portion are disposed inside the cutaway portions.   
     
     
         6 . The power control apparatus according to  claim 1 ,
 wherein the electrical connection unit includes a load connecting portion for connecting to the load, a main positive electrode connecting portion for connecting to a main positive electrode of the high-voltage battery, and a main negative electrode connecting portion for connecting to a main negative electrode of the high-voltage battery,   the series-parallel switching unit includes a plurality of intermediate potential connecting portions to which electrode terminals of the plurality of cell units that are not the main positive electrode and the main negative electrode are connected,   the load connecting portion is disposed on an opposite side to the main positive electrode connecting portion, the main negative electrode connecting portion, and the plurality of intermediate potential connecting portions, and   the plurality of intermediate potential connecting portions are disposed between the main positive electrode connecting portion and the main negative electrode connecting portion.   
     
     
         7 . The power control apparatus according to  claim 2 ,
 further comprising a single base member made of insulating resin,   wherein the electrical connection unit and the series-parallel switching unit are integrally formed on the base member.   
     
     
         8 . The power control apparatus according to  claim 2 , wherein the electrical connection unit and the series-parallel switching unit are separately formed and are capable of being stacked. 
     
     
         9 . The power control apparatus according to  claim 2 ,
 wherein the electrical connection unit includes a load connecting portion for connecting to the load, a main positive electrode connecting portion for connecting to a main positive electrode of the high-voltage battery, and a main negative electrode connecting portion for connecting to a main negative electrode of the high-voltage battery,   the series-parallel switching unit includes a plurality of intermediate potential connecting portions to which electrode terminals of the plurality of cell units that are not the main positive electrode and the main negative electrode are connected,   the load connecting portion is disposed on an opposite side to the main positive electrode connecting portion, the main negative electrode connecting portion, and the plurality of intermediate potential connecting portions, and   the plurality of intermediate potential connecting portions are disposed between the main positive electrode connecting portion and the main negative electrode connecting portion.   
     
     
         10 . The power control apparatus according to  claim 3 ,
 wherein the electrical connection unit includes a load connecting portion for connecting to the load, a main positive electrode connecting portion for connecting to a main positive electrode of the high-voltage battery, and a main negative electrode connecting portion for connecting to a main negative electrode of the high-voltage battery,   the series-parallel switching unit includes a plurality of intermediate potential connecting portions to which electrode terminals of the plurality of cell units that are not the main positive electrode and the main negative electrode are connected,   the load connecting portion is disposed on an opposite side to the main positive electrode connecting portion, the main negative electrode connecting portion, and the plurality of intermediate potential connecting portions, and   the plurality of intermediate potential connecting portions are disposed between the main positive electrode connecting portion and the main negative electrode connecting portion.   
     
     
         11 . The power control apparatus according to  claim 4 ,
 wherein the electrical connection unit includes a load connecting portion for connecting to the load, a main positive electrode connecting portion for connecting to a main positive electrode of the high-voltage battery, and a main negative electrode connecting portion for connecting to a main negative electrode of the high-voltage battery,   the series-parallel switching unit includes a plurality of intermediate potential connecting portions to which electrode terminals of the plurality of cell units that are not the main positive electrode and the main negative electrode are connected,   the load connecting portion is disposed on an opposite side to the main positive electrode connecting portion, the main negative electrode connecting portion, and the plurality of intermediate potential connecting portions, and   the plurality of intermediate potential connecting portions are disposed between the main positive electrode connecting portion and the main negative electrode connecting portion.   
     
     
         12 . The power control apparatus according to  claim 5 ,
 wherein the electrical connection unit includes a load connecting portion for connecting to the load, a main positive electrode connecting portion for connecting to a main positive electrode of the high-voltage battery, and a main negative electrode connecting portion for connecting to a main negative electrode of the high-voltage battery,   the series-parallel switching unit includes a plurality of intermediate potential connecting portions to which electrode terminals of the plurality of cell units that are not the main positive electrode and the main negative electrode are connected,   the load connecting portion is disposed on an opposite side to the main positive electrode connecting portion, the main negative electrode connecting portion, and the plurality of intermediate potential connecting portions, and   the plurality of intermediate potential connecting portions are disposed between the main positive electrode connecting portion and the main negative electrode connecting portion.